1. Chapter 1- _____ ________. Required text: Materials Science and Engineering: An Introduction W.D. Callister, Jr., 6th edition, John Wiley and Sons, Inc. (2003). Both book and accompanying CD-ROM are needed. Optional Material: _____ ________. _____ ________. f COURSE MATERIAL

2. Chapter 1- Week 1 2 3 4 5 6 7 8 9 10 Topic General Intro; Atomic Bonding Crystalline Structure; Imperfections Diffusion; Mechanical Properties Strengthening Mechanisms; Failure Phase Diagrams Kinetics & Phase Transformations Processing & Applications of Metals Struc., Prop., Proc., Applic. of Ceramics Struc., Prop. of Polymers; Composites Corrosion; Elec. & Thermal Prop. Magnetic & Optical Prop. Econ. & Envir. Issues; Materials Selection Chapter 1,2 3 *,4 5,6 * 7 *,8 * 9 * 10 * 11 12,13 * 15,16 17 *,18 *,19 * 20,21 22 * Lectures: will highlight important portions of each chapter. i * One or more sections of this chapter are on the CD-ROM. READING SCHEDULE

3. Chapter 1- Materials are... engineered structures...not blackboxes! Structure...has many dimensions... Structural featureDimension (m) atomic bonding missing/extra atoms crystals (ordered atoms) second phase particles crystal texturing < 10 -10 10 -10 10 -8 -10 10 -8 -10 -4 > 10 -6 1 CHAPTER 1: MATERIALS SCIENCE & ENGINEERING

4. Chapter 1- ex: hardness vs structure of steel Properties depend on structure Data obtained from Figs. 10.21(a) and 10.23 with 4wt%C composition, and from Fig. 11.13 and associated discussion, Callister 6e. Micrographs adapted from (a) Fig. 10.10; (b) Fig. 9.27;(c) Fig. 10.24; and (d) Fig. 10.12, Callister 6e. ex: structure vs cooling rate of steel Processing can change structure 2 Structure, Processing, & Properties Hardness (BHN)

5. Chapter 1- 1. Pick ApplicationDetermine required Properties 2. Properties Identify candidate Material(s) 3. Material Identify required Processing Processing: changes structure and overall shape ex: casting, sintering, vapor deposition, doping forming, joining, annealing. Properties: mechanical, electrical, thermal, magnetic, optical, deteriorative. Material: structure, composition. 3 The Materials Selection Process

6. Chapter 1- Electrical Resistivity of Copper: Adding “impurity” atoms to Cu increases resistivity. Deforming Cu increases resistivity. 4 Adapted from Fig. 18.8, Callister 6e. (Fig. 18.8 adapted from: J.O. Linde, Ann Physik 5, 219 (1932); and C.A. Wert and R.M. Thomson, Physics of Solids, 2nd edition, McGraw-Hill Company, New York, 1970.) ELECTRICAL

7. Chapter 1- Space Shuttle Tiles: --Silica fiber insulation offers low heat conduction. Thermal Conductivity of Copper: --It decreases when you add zinc! 5 Fig. 19.0, Callister 6e. (Courtesy of Lockheed Missiles and Space Company, Inc.) Adapted from Fig. 19.4W, Callister 6e. (Courtesy of Lockheed Aerospace Ceramics Systems, Sunnyvale, CA) (Note: "W" denotes fig. is on CD-ROM.) Adapted from Fig. 19.4, Callister 6e. (Fig. 19.4 is adapted from Metals Handbook: Properties and Selection: Nonferrous alloys and Pure Metals, Vol. 2, 9th ed., H. Baker, (Managing Editor), American Society for Metals, 1979, p. 315.) THERMAL

8. Chapter 1- Magnetic Permeability vs. Composition: --Adding 3 atomic % Si makes Fe a better recording medium! Adapted from C.R. Barrett, W.D. Nix, and A.S. Tetelman, The Principles of Engineering Materials, Fig. 1-7(a), p. 9, 1973.Electronically reproduced by permission of Pearson Education, Inc., Upper Saddle River, New Jersey. 6 Fig. 20.18, Callister 6e. (Fig. 20.18 is from J.U. Lemke, MRS Bulletin, Vol. XV, No. 3, p. 31, 1990.) Magnetic Storage: --Recording medium is magnetized by recording head. MAGNETIC

9. Chapter 1- Transmittance: --Aluminum oxide may be transparent, translucent, or opaque depending on the material structure. 7 Adapted from Fig. 1.2, Callister 6e. (Specimen preparation, P.A. Lessing; photo by J. Telford.) single crystal polycrystal: low porosity polycrystal: high porosity OPTICAL

10. Chapter 1- Stress & Saltwater... --causes cracks! Heat treatment: slows crack speed in salt water! 4m4m --material: 7150-T651 Al "alloy" (Zn,Cu,Mg,Zr) Adapted from Fig. 11.20(b), R.W. Hertzberg, "Deformation and Fracture Mechanics of Engineering Materials" (4th ed.), p. 505, John Wiley and Sons, 1996. (Original source: Markus O. Speidel, Brown Boveri Co.) 8 Adapted from Fig. 17.0, Callister 6e. (Fig. 17.0 is from Marine Corrosion, Causes, and Prevention, John Wiley and Sons, Inc., 1975.) Adapted from Fig. 11.24, Callister 6e. (Fig. 11.24 provided courtesy of G.H. Narayanan and A.G. Miller, Boeing Commercial Airplane Company.) DETERIORATIVE

11. Chapter 1- Use the right material for the job. Understand the relation between properties, structure, and processing. Recognize new design opportunities offered by materials selection. Course Goals: 9 SUMMARY